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Tue, 07 Jul 2026 03:35:35 -0700 (PDT) X-Received: by 2002:a05:622a:40d:b0:51c:9fa:bc2e with SMTP id d75a77b69052e-51c4bed6c6bmr126558601cf.10.1783420534637; Tue, 07 Jul 2026 03:35:34 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c15ada04d04sm102848566b.47.2026.07.07.03.35.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jul 2026 03:35:33 -0700 (PDT) Message-ID: <4afa8797-1cb1-4cf1-bdbd-9cb5725377b8@oss.qualcomm.com> Date: Tue, 7 Jul 2026 12:35:31 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] arm64: dts: qcom: sm8450: Add IPA support To: Esteban Urrutia , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alex Elder Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20260622-sm8450-ipa-v1-0-532f0299f96e@proton.me> <20260622-sm8450-ipa-v1-1-532f0299f96e@proton.me> <806046b2-20ed-437e-a7e6-b3c0699f5a2d@oss.qualcomm.com> <66330ed6-826a-431e-9e8e-f2998af55168@oss.qualcomm.com> <1e151b08-5d3b-4b75-8d71-635617868285@proton.me> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <1e151b08-5d3b-4b75-8d71-635617868285@proton.me> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: -y4fYCpMHce_DZhSeRV0-LrFtkIi6OV9 X-Proofpoint-ORIG-GUID: -y4fYCpMHce_DZhSeRV0-LrFtkIi6OV9 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA3MDEwMiBTYWx0ZWRfX5nWJErFP8t95 qKl6L3XIUZHrlb8EpC4hyhkulCQg7sYjJGxEsgwtYs8PG4VGDaELAqySyycD4A0XuBOcUdPCQru +okHyHGc51bP6ywyyoDTh5RinyBAD74= X-Authority-Analysis: v=2.4 cv=b9yCJNGx c=1 sm=1 tr=0 ts=6a4cd679 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=l5FYNS5t4BCBesUsx-IA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA3MDEwMiBTYWx0ZWRfX0u+w4urYCMQe 7QdFaoZ8jBOljK1j+BbNC2brIRxAGb3ZsQRlCevwjiewJsjlhxU9uUu6PSYS9NDKqhlk9MpK6CC rdfK+JrlAtRYCS5wwJjezc4+vBquB2VO9gnfM+75wWtYx4NBOU8Vl9UsuqoBT1n7ahXONk+0L6W PY+WEvmXhCFjTo/xspC5SECv2va9Jx3xCWX6Loda6IW+W5//JnrEbmdSOUGpgs1+xA2wbUJ3DIm ytkxVeSADAn+rCNAjat5D5uuNZYNxvYeILM3GvyRh+gxZ982EsKAV8mlysujoQ1J/Til/lDkvHx ODb4emzgQwuv9ISuyCaoc92BxUrDTn+2dMp8SoCLD+50RJGefKJFF9tmoyua07Now1IBhDPegKz e5xV9Gb8BfMdAyI04fXZOBZzQ/jQZE97XI4wJlQmvl4COVL7abKWE21ciRaokONz42fNV4x79Mb yipkShGgJTtLLjA2SgQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-07_02,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 priorityscore=1501 adultscore=0 malwarescore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607070102 On 6/30/26 3:57 AM, Esteban Urrutia wrote: > On 6/29/26 10:18 AM, Konrad Dybcio wrote: >> Please alter the size of the register range that I mentioned this under, >> as the range is wider than what you specified - the driver takes a big >> offset from this base and accesses far outside the bounds of that range > Just to make sure: > > diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi > index dd151a2c48ec..100daf8120ce 100644 > --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi > +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi > @@ -2643,7 +2643,7 @@ ipa: ipa@3f40000 { > compatible = "qcom,sm8450-ipa"; > > reg = <0 0x3f40000 0 0x10000>, > - <0 0x3f50000 0 0x5000>, > + <0 0x3f50000 0 0xb0000>, > <0 0x3e04000 0 0xfc000>; > reg-names = "ipa-reg", > "ipa-shared", > > Is this what you're referring to? Yes Konrad